/ Company Profile

Tianjin Dongya Bicycle Chain Co, LTD was established in 1987. Covering an area of 12,000 square meters, the company has more than 200 employees, including more than 40 professionals and technical personnel, and has an annual productivity of 25 million pieces. Our company committed to science and technology production integrates research, development and sales. In 2012, we applied for six invention patents and our company was rated as the Tianjin Science and Technology Enterprise.

Our company mainly provides high-quality transmission chains and accessories for high-end bicycles, electric cars, e-bikes and automatic garage doors. Over the years, Dongya Chain has been praised highly by many of our customers for its features of high quality automation, intelligent manufacturing and quality service. In recent years, we have won the "Cooperation Support Award,"Annual Best Quality Award", " Core Supplier Guarantee Award", "Excellent Supplier Award” and many other awards from our customers. Now we had established long-term stable business relationship with dozens of large bicycle and electric car companies and foreign trade export enterprises. Our products enjoy a high reputation throughout China as well as in foreign markets such as Europe, the United States, Southeast Asia, South America and other countries. Our company’s future prospects are very broad and optimistic in regards of all our clients.

The company always adhered to our operation principles as diligent thinking, entrepreneurship integrity, innovation and development, tie closely with the society. we are constantly improving the quality of our products with advanced equipment, strong technical force and complete testing methods in order to provide all clients with excellent and high quality products. At the same time, our company insist on implementing enterprise standardization, canonicalization and scientification to improve our competitive advantages and development strength. In the future, we will consistently pursue high-quality strategy to promote our own brand worldwide and we are on the way to achieve and explore beyond our dreams.

Product advantages  

1. Strong Technical Support
Our company possesses our own professional research and development team. We constantly overcome technical difficulties and launch our new products every year. We insist in purchasing the best-quality raw materials, applying the latest technology and using the most perfect equipment to ensure our products’ leading position in the industry. In 2012, we had applied for and been awarded six invention patents and Tianjin Science and technology enterprise.  
2. Diversified series’ products  
Our company designed and developed all our new products independently and has diversified product lines. We produce hundreds of high-quality chain products in more than ten series for sharing bikes, electric bikes, urban commuter bikes, competition bikes, performing bikes and children's bikes.  
3. Personalized Customization Service 
Our company has been working hardly in the chain manufacturing industry for years and constantly developing our new products. We persistently apply the most advanced manufacturing technology to supply the most excellent products required by customers from different regions.  
4. High industry reputation  
Our company always adhered to our operation principles as focusing on quality and customer first. In recent years, we have won the "Cooperation Support Award,"Annual Best Quality Award", " Core Supplier Guarantee Award", "Excellent Supplier Award” and many other awards from our customers. Now we had established long-term and stable business relationship with dozens of large bicycle and electric car companies and foreign trade export enterprises. Our products enjoy a high reputation throughout China as well as in foreign markets such as Europe, the United States, Southeast Asia, South America and other countries. Our company’s future prospects are very broad and optimistic in regards of all our clients.